var createError = require("http-errors");
var express = require("express");
var path = require("path");
var cookieParser = require("cookie-parser");
var logger = require("morgan");
var indexRouter = require("./routes/index");
var usersRouter = require("./routes/users");
var app = express();
var { socketServer } = require("./model/socket");

// 及时通讯的端口
const { Server } = require("socket.io");
const io = new Server(8882, { cors: true });
socketServer(io);
// io.on("connection", (socket) => {
//   console.log("socket 启动");
//   // 接收
//   socket.on("message", (data) => {
//     console.log(data);
//     // 广播收到的信息  到前端接收
//     socket.broadcast.emit("gbmsg", data);
//   });
// });

// io.listen(8882);

// view engine setup
app.set("views", path.join(__dirname, "views"));
app.set("view engine", "ejs");

app.use(logger("dev"));
app.use(express.json());
app.use(express.urlencoded({ extended: false }));
app.use(cookieParser());
app.use(express.static(path.join(__dirname, "public")));

app.use("/", indexRouter);
app.use("/users", usersRouter);

// catch 404 and forward to error handler
app.use(function (req, res, next) {
  next(createError(404));
});

// error handler
app.use(function (err, req, res, next) {
  // set locals, only providing error in development
  res.locals.message = err.message;
  res.locals.error = req.app.get("env") === "development" ? err : {};

  // render the error page
  res.status(err.status || 500);
  res.render("error");
});

module.exports = app;
